The Stylish Hair Salon has three stylists who provide services to women. After checking in with the receptionist, which takes an average of 1 minute, the customer's hair is washed, dried, and styled, taking an average of 25 minutes. The payment takes 3 minutes and is also performed by the receptionist.
a. What is the capacity of the process, and what is the bottleneck?
b. What is the average throughput time, and if the average flow rate is five customers per hour, what is the average number of customers in the system?
c. If the input to the system is random, what will happen as the flow rate approaches the capacity of the system?